Pith Number

pith:KOXGW7YH

pith:2018:KOXGW7YHY7WVU7OH7H6D4RMJTM

not attested not anchored not stored refs pending

Catch-Up: A Rule that Makes Service Sports More Competitive

D. Marc Kilgour, Mehmet S. Ismail, Steven J. Brams, Walter Stromquist

arxiv:1808.06922 v1 · 2018-08-17 · math.HO · econ.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOXGW7YHY7WVU7OH7H6D4RMJTM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:07:38.651523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53ae6b7f07c7ed5a7dc7f9fc3e45899b0468e36c1ec03e731ec4cbe6e1951a0d

Aliases

arxiv: 1808.06922 · arxiv_version: 1808.06922v1 · doi: 10.48550/arxiv.1808.06922 · pith_short_12: KOXGW7YHY7WV · pith_short_16: KOXGW7YHY7WVU7OH · pith_short_8: KOXGW7YH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KOXGW7YHY7WVU7OH7H6D4RMJTM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 53ae6b7f07c7ed5a7dc7f9fc3e45899b0468e36c1ec03e731ec4cbe6e1951a0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94a636d0fbb80fe10c79c1bf92ef2523c0c30e09dda1a7802808712334e32ae3",
    "cross_cats_sorted": [
      "econ.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2018-08-17T16:33:08Z",
    "title_canon_sha256": "385a2e1d77ef222a64bad4cf5b670c83813b30852bba8f0d878d23fa4c6fef66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06922",
    "kind": "arxiv",
    "version": 1
  }
}